Fix some typos
diff --git a/tools/run_tests/performance/bq_upload_result.py b/tools/run_tests/performance/bq_upload_result.py
index 5158b22..9b817b5 100755
--- a/tools/run_tests/performance/bq_upload_result.py
+++ b/tools/run_tests/performance/bq_upload_result.py
@@ -120,7 +120,7 @@
scenario_result['serverCores'] = json.dumps(scenario_result['serverCores'])
scenario_result['clientSuccess'] = json.dumps(scenario_result['clientSuccess'])
scenario_result['serverSuccess'] = json.dumps(scenario_result['serverSuccess'])
- scenario_result['requestResults'] = json.dumps(scenario_result['requestResults'])
+ scenario_result['requestResults'] = json.dumps(scenario_result.get('requestResults', []))
def _populate_metadata_inplace(scenario_result):